#include <bits/stdc++.h> using namespace std; int main(){ int n,i,j,m,k,a,ss=0; cin>>n>>m>>k; int s[100][100]={0}; for(i=0;i<n;i++){ a=0; for(j=0;j<m;j++){ cin>>s[i][j]; a+=s[i][j]; } if(a>=k) ss++; } cout<<ss; return 0; } /************************************************************** Problem: 2026 User: fzy001 Language: C++ Result: Accepted Time:7 ms Memory:2072 kb ****************************************************************/